云与虚拟化_14_K8S

博主： dayi
发布时间：2023 年 11 月 23 日
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分类：默认分类

K8S

K8S部署

先创建一个debian模板

选择iso

快速安装一下即可：

安装完成克隆成模板：

Master节点

直接克隆一个就可以

克隆两个本地node

sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources
sed -i 's|security.debian.org/debian-security|mirrors.ustc.edu.cn/debian-security|g' /etc/apt/sources.list
echo "export PATH=$PATH:/usr/sbin:/home/$(whoami)/.local/bin" >> ~/.bashrc
source ~/.bashrc
apt install ufw

apt install sudo vim wget curl -y

sudo hostnamectl set-hostname dayi-cloud-k8s-master

这里HOSTS用了tailscile 来进行相互访问

curl -fsSL https://tailscale.com/install.sh | sh

这样就配好hosts了

dayi-cloud-k8s-master
dayi-cloud-k8s-node1
dayi-cloud-k8s-node2

Master

sudo ufw allow 6443/tcp
sudo ufw allow 2379/tcp
sudo ufw allow 2380/tcp
sudo ufw allow 10250/tcp
sudo ufw allow 10251/tcp
sudo ufw allow 10252/tcp
sudo ufw allow 10255/tcp
sudo ufw reload

cat <<EOF | sudo tee /etc/modules-load.d/containerd.conf 
overlay 
br_netfilter
EOF

sudo modprobe overlay 
sudo modprobe br_netfilter
cat <<EOF | sudo tee /etc/sysctl.d/99-kubernetes-k8s.conf
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1 
net.bridge.bridge-nf-call-ip6tables = 1 
EOF


sudo sysctl --system

Other

sudo ufw allow 10250/tcp
sudo ufw allow 30000:32767/tcp
sudo ufw reload


cat <<EOF | sudo tee /etc/modules-load.d/containerd.conf 
overlay 
br_netfilter
EOF

sudo modprobe overlay 
sudo modprobe br_netfilter
cat <<EOF | sudo tee /etc/sysctl.d/99-kubernetes-k8s.conf
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1 
net.bridge.bridge-nf-call-ip6tables = 1 
EOF


sudo sysctl --system

SSH-密钥复制

mkdir ~/.ssh
echo "ssh-rsa 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 root@dayi-cloud-k8s-maste" >> ~/.ssh/authorized_keys

安装containerd

apt install containerd
containerd config default | sudo tee /etc/containerd/config.toml >/dev/null 2>&1
sudo vi /etc/containerd/config.toml

scp /etc/containerd/config.toml dayi-cloud-k8s-node1:/etc/containerd/config.toml
scp /etc/containerd/config.toml dayi-cloud-k8s-node2:/etc/containerd/config.toml

sudo systemctl restart containerd
sudo systemctl enable containerd

安装K8S仓库


sudo apt install gnupg gnupg2 curl software-properties-common -y
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmour -o /etc/apt/trusted.gpg.d/cgoogle.gpg
apt-add-repository "deb http://apt.kubernetes.io/ kubernetes-xenial main"

安装K8S

apt update
apt install kubelet kubeadm kubectl -y
apt-mark hold kubelet kubeadm kubectl

初始化集群：

kubeadm init --image-repository registry.aliyuncs.com/google_containers --pod-network-cidr=10.234.0.0/16 --control-plane-endpoint=dayi-cloud-k8s-master --v=5

虚拟化K8S安装

# 设置主机名
hostnamectl set-hostname m1
hostnamectl set-hostname node1
hostnamectl set-hostname node2
、
===== 192.168.0.202 node2

# 使用scp复制/etc/hosts到node1和node2
scp /etc/hosts root@192.168.0.201:/etc/hosts
scp /etc/hosts root@192.168.0.202:/etc/hosts

# 关闭swap并配置内核参数
swapoff -a
sed -i 's/.*swap.*/#&/' /etc/fstab
echo -e 'net.bridge.bridge-nf-call-iptables = 1 \nnet.bridge.bridge-nf-call-ip6tables = 1' >> /etc/sysctl.conf

# 安装基本软件包
yum -y install wget ntpdate

# 配置时间同步
ntpdate ntp1.aliyun.com
crontab -e
# 添加以下内容
*/1 * * * * /usr/sbin/ntpdate ntp1.aliyun.com
systemctl restart crond.service
reboot

# 配置yum源及下载Kubernetes和Docker相关软件包
cd /etc/yum.repos.d
rm -f CentOS-*
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
wget -P /etc/yum.repos.d/ http://mirrors.aliyun.com/repo/epel-7.repo
vi /etc/yum.repos.d/kubernetes.repo
# 添加kubernetes源的配置信息
wget https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
rpm -import rpm-package-key.gpg
wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum clean all
yum makecache fast
cd

# 安装docker-ce并启动服务
yum -y install docker-ce
systemctl start docker
systemctl enable docker

# 配置Docker的镜像加速器
vi /etc/docker/daemon.json
# 添加以下内容
{
    "registry-mirrors": ["https://x3nqjrcg.mirror.aliyuncs.com"]
}

# Docker降级为20.10
yum downgrade --setopt=obsoletes=0 -y docker-ce-20.10.24 docker-ce-selinux-20.10.24 containerd.io

# 修改Docker Cgroup Driver为systemd
vi /etc/docker/daemon.json
# 添加以下内容
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "registry-mirrors": ["https://x3nqjrcg.mirror.aliyuncs.com"]
}

# 重启docker服务
systemctl daemon-reload
systemctl restart docker

# 安装kubeadm、kubectl、kubelet
yum install -y kubelet-1.23.17 kubeadm-1.23.17 kubectl-1.23.17
systemctl start kubelet
systemctl enable kubelet

# 下载Kubernetes镜像
kubeadm config images list --kubernetes-version v1.23.17
kubeadm config images pull --image-repository=registry.aliyuncs.com/google_containers

# 初始化Kubernetes集群
kubeadm init \
--kubernetes-version=v1.23.17 \
--pod-network-cidr=10.244.0.0/16 \
--service-cidr=10.96.0.0/12 \
--apiserver-advertise-address=192.168.8.10 \
--image-repository=registry.aliyuncs.com/google_containers 

# 配置环境变量
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

# 安装Flannel网络
wget https://github.com/flannel-io/flannel/releases/latest/download/kube-flannel.yml
kubectl apply -f kube-flannel.yml

# 将节点加入到集群
kubeadm join 192.168.8.10:6443 --token [token] --discovery-token-ca-cert-hash [hash]

# 查看集群状态
kubectl get nodes

Debian安装

K8S2

哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈

换CENTOS

换大牛

Rencher

真男人直接下载：

修改主机名：

ssh-keygen -t ecdsa -b 256
ssh-copy-id node1
ssh-copy-id node2

复制密钥：

ssh-copy-id node2

复制hosts

scp /etc/hosts root@node1:/etc/hosts 
scp /etc/hosts root@node2:/etc/hosts

修改内核配置

/etc/sysctl.conf

vi:

echo -e 'net.bridge.bridge-nf-call-iptables = 1 \nnet.bridge.bridge-nf-call-ip6tables = 1' >> /etc/sysctl.conf

开启模块

modprobe br_netfilter
ls /proc/sys/net/bridge/
echo "br_netfilter" > /etc/modules-load.d/br_netfilter.conf
sysctl -p

发送到从节点：

scp /etc/sysctl.conf root@node1:/etc/sysctl.conf
scp /etc/sysctl.conf root@node2:/etc/sysctl.conf 

#从节点执行：
modprobe br_netfilter
ls /proc/sys/net/bridge/
echo "br_netfilter" > /etc/modules-load.d/br_netfilter.conf
sysctl -p

防火墙 SELINUX：

systemctl stop firewalld
systemctl disable firewalld
systemctl status firewalld



setenforce 0
vi /etc/selinux/config
#修改： SELINUX=disabled

reboot

发送到从节点

scp /etc/selinux/config root@node1:/etc/selinux/config
scp /etc/selinux/config root@node2:/etc/selinux/config

查看SELINUX状态

sestatus

NTP时间同步

yum -y install wget ntpdate


crontab -e
*/1 * * * * /usr/sbin/ntpdate ntp1.aliyun.com

systemctl restart crond.service

添加源


vi /etc/yum.repos.d/kubernetes.repo

[kubernetes]
name=Kubernetes
baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg

安装

yum downgrade --setopt=obsoletes=0 -y docker-ce-20.10.24 docker-ce-selinux-20.10.24 containerd.io


yum install -y kubelet-1.23.17 kubeadm-1.23.17 kubectl-1.23.17
systemctl start kubelet
systemctl enable kubelet
systemctl status kubelet

kubeadm config images list --kubernetes-version v1.23.17

初始化

mv /etc/containerd/config.toml /root/config.toml.bak
systemctl restart containerd

/etc/kubernetes/manifests/kube-scheduler.yaml

rm -rf /etc/kubernetes/manifests/kube-apiserver.yaml
rm -rf /etc/kubernetes/manifests/kube-controller-manager.yaml
rm -rf /etc/kubernetes/manifests/kube-scheduler.yaml
rm -rf /etc/kubernetes/manifests/etcd.yaml

kubeadm init \
--pod-network-cidr=10.244.0.0/16 \
--service-cidr=10.96.0.0/12 \
--apiserver-advertise-address=192.168.59.137 \
--image-repository=registry.aliyuncs.com/google_containers
--v=5

rm -f /etc/kubernetes/controller-manager.conf
rm -f /etc/kubernetes/scheduler.conf
rm -f /etc/kubernetes/scheduler.conf
rm -f /etc/kubernetes/admin.conf
rm -f /etc/kubernetes/kubelet.conf

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

kubeadm join 192.168.59.137:6443 --token y8m7u7.3ur44mc2ezb87fmq \
        --discovery-token-ca-cert-hash sha256:cb9d1bfa0c3adaabd9a34cd072e1d27c13c9cf9e6e3ef4a0c810b84d6fdf4c9f

节点:

节点：

状态：

最后修改：2023 年 11 月 23 日

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云与虚拟化_14_K8S

dayi • 2023 年 11 月 23 日

<h1>K8S</h1><h2>K8S部署</h2><h2>先创建一个debian模板</h2><p><img src="https://cmd.dayi.ink/uploads/upload_78895650660d7632aff3fbcb21486a2b.png#vwid=1523&vhei=929" alt="" title=""style=""></p><p>选择iso<br><img src="https://cmd.dayi.ink/uploads/upload_8df897882fe69fd0f064edca9ba7c049.png#vwid=1526&vhei=889" alt="" title=""style=""></p><p>快速安装一下即可：</p><p><img src="https://cmd.dayi.ink/uploads/upload_bbb72e77d295ed3582a448f661994ff4.png#vwid=1573&vhei=925" alt="" title=""style=""></p><p>安装完成克隆成模板：</p><p><img src="https://cmd.dayi.ink/uploads/upload_4e01593ed77595a33cb4e83587418c00.png#vwid=1446&vhei=1075" alt="" title=""style=""></p><h2>Master节点</h2><p>直接克隆一个就可以</p><p><img src="https://cmd.dayi.ink/uploads/upload_4f3bd6cd70d408b501442ec9225337f5.png#vwid=1572&vhei=786" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_a69e7a1dca5148c6f3d622dca14df4fd.png#vwid=1137&vhei=659" alt="" title=""style=""></p><h2>克隆两个本地node</h2><p><img src="https://cmd.dayi.ink/uploads/upload_39e8d8e53fddbb693ee3d49adb0b45cc.png#vwid=1450&vhei=799" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_bc570d7a6bc7a88a264b51d73f1520e8.png#vwid=760&vhei=452" alt="" title=""style=""></p><pre><code class="lang-bash">sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources
sed -i 's|security.debian.org/debian-security|mirrors.ustc.edu.cn/debian-security|g' /etc/apt/sources.list
echo &quot;export PATH=$PATH:/usr/sbin:/home/$(whoami)/.local/bin&quot; &gt;&gt; ~/.bashrc
source ~/.bashrc
apt install ufw

apt install sudo vim wget curl -y

sudo hostnamectl set-hostname dayi-cloud-k8s-master
</code></pre><p>这里HOSTS用了tailscile 来进行相互访问</p><pre><code class="lang-bash">curl -fsSL https://tailscale.com/install.sh | sh</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_1b3ee77c25f562ddf352e728368e3648.png#vwid=1005&vhei=658" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_d530c8c99423e886ce53e1f8b3629f41.png#vwid=572&vhei=384" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_622bfea7593128a9dab2c1d503649f92.png#vwid=1070&vhei=182" alt="" title=""style=""></p><p>这样就配好hosts了</p><p><img src="https://cmd.dayi.ink/uploads/upload_19b44997ae0a7ff16d2c4b6ff6c5e73e.png#vwid=1221&vhei=450" alt="" title=""style=""></p><pre><code class="lang-bash">dayi-cloud-k8s-master
dayi-cloud-k8s-node1
dayi-cloud-k8s-node2</code></pre><h2>Master</h2><pre><code class="lang-bash">sudo ufw allow 6443/tcp
sudo ufw allow 2379/tcp
sudo ufw allow 2380/tcp
sudo ufw allow 10250/tcp
sudo ufw allow 10251/tcp
sudo ufw allow 10252/tcp
sudo ufw allow 10255/tcp
sudo ufw reload

cat &lt;&lt;EOF | sudo tee /etc/modules-load.d/containerd.conf 
overlay 
br_netfilter
EOF

sudo modprobe overlay 
sudo modprobe br_netfilter
cat &lt;&lt;EOF | sudo tee /etc/sysctl.d/99-kubernetes-k8s.conf
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1 
net.bridge.bridge-nf-call-ip6tables = 1 
EOF

sudo sysctl --system</code></pre><h2>Other</h2><pre><code class="lang-bash">sudo ufw allow 10250/tcp
sudo ufw allow 30000:32767/tcp
sudo ufw reload

cat &lt;&lt;EOF | sudo tee /etc/modules-load.d/containerd.conf 
overlay 
br_netfilter
EOF

sudo sysctl --system</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_116f996d93633e33a355d9a3ac9f5770.png#vwid=1294&vhei=768" alt="" title=""style=""></p><h2>SSH-密钥复制</h2><pre><code>mkdir ~/.ssh
echo &quot;ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDk1VvdE9ZZFnK5Bwhi+C74B/rLvT7zKHN4/tUhzLFrMVDQZvsF+8ON9w4xHK1AZyb64GQXs9BtX93N+OJ51t5ZbEl960S0o7BYgcdB7q3+wb9E4uTYNFK7akcBgtxa+3gmZTmttr1l2KT3xzfE9BebkRg+C/DO/PwnaPwOWyeYc90fmcpk7voM2e268wmv6V2eZmIKaA/T7GXCe22qKIcrgWZp78BHL1Je+sqQ72FfzGasDj/iDCcqbW6fsQ4v0QHsuQ4SavcT3xvPDPTwCow4CoV8cQiK4s2nak/5z8lZF07FRJsF0oYcg7m+9qizLv3jBi/P1M26Rhpj5fV6XmdBtIpSY8A958U2bPT/16eAJOcyj+0qFL2E0DWs7Hbh8tni4L51mppQfx4VnozzEzPPaEauGA/GNQ+HlKcaEe43bBia7btW9K9c6EHPvolAf/365gv4BcKArlbOVo4kfxqfX7ybjSnK2pz3kZjFDrXwhQ0LsVqlZIvGu+wkHIVFYHM= root@dayi-cloud-k8s-maste&quot; &gt;&gt; ~/.ssh/authorized_keys
</code></pre><h2>安装containerd</h2><pre><code class="lang-bash">apt install containerd
containerd config default | sudo tee /etc/containerd/config.toml &gt;/dev/null 2&gt;&amp;1
sudo vi /etc/containerd/config.toml

scp /etc/containerd/config.toml dayi-cloud-k8s-node1:/etc/containerd/config.toml
scp /etc/containerd/config.toml dayi-cloud-k8s-node2:/etc/containerd/config.toml

sudo systemctl restart containerd
sudo systemctl enable containerd</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_baecd5feeefb1bf34edb3df0888c71e2.png#vwid=1344&vhei=801" alt="" title=""style=""></p><h2>安装K8S仓库</h2><pre><code class="lang-bash">
sudo apt install gnupg gnupg2 curl software-properties-common -y
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmour -o /etc/apt/trusted.gpg.d/cgoogle.gpg
apt-add-repository &quot;deb http://apt.kubernetes.io/ kubernetes-xenial main&quot;
</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_114852975238e7cd633e665ef722960e.png#vwid=1183&vhei=520" alt="" title=""style=""></p><h2>安装K8S</h2><pre><code class="lang-bash">apt update
apt install kubelet kubeadm kubectl -y
apt-mark hold kubelet kubeadm kubectl</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_90ea9c0bbb630f8671338aa6b5008075.png#vwid=1260&vhei=887" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_ac61767116d2c3c0a9d98037026ebf8d.png#vwid=1542&vhei=702" alt="" title=""style=""></p><h2>初始化集群：</h2><pre><code class="lang-bash">kubeadm init --image-repository registry.aliyuncs.com/google_containers --pod-network-cidr=10.234.0.0/16 --control-plane-endpoint=dayi-cloud-k8s-master --v=5</code></pre><h2>虚拟化K8S安装</h2><pre><code class="lang-bash"># 设置主机名
hostnamectl set-hostname m1
hostnamectl set-hostname node1
hostnamectl set-hostname node2
、
===== 192.168.0.202 node2

# 使用scp复制/etc/hosts到node1和node2
scp /etc/hosts root@192.168.0.201:/etc/hosts
scp /etc/hosts root@192.168.0.202:/etc/hosts

# 关闭swap并配置内核参数
swapoff -a
sed -i 's/.*swap.*/#&amp;/' /etc/fstab
echo -e 'net.bridge.bridge-nf-call-iptables = 1 \nnet.bridge.bridge-nf-call-ip6tables = 1' &gt;&gt; /etc/sysctl.conf

# 安装基本软件包
yum -y install wget ntpdate

# 配置时间同步
ntpdate ntp1.aliyun.com
crontab -e
# 添加以下内容
*/1 * * * * /usr/sbin/ntpdate ntp1.aliyun.com
systemctl restart crond.service
reboot

# 配置yum源及下载Kubernetes和Docker相关软件包
cd /etc/yum.repos.d
rm -f CentOS-*
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
wget -P /etc/yum.repos.d/ http://mirrors.aliyun.com/repo/epel-7.repo
vi /etc/yum.repos.d/kubernetes.repo
# 添加kubernetes源的配置信息
wget https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
rpm -import rpm-package-key.gpg
wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum clean all
yum makecache fast
cd

# 安装docker-ce并启动服务
yum -y install docker-ce
systemctl start docker
systemctl enable docker

# 配置Docker的镜像加速器
vi /etc/docker/daemon.json
# 添加以下内容
{
    &quot;registry-mirrors&quot;: [&quot;https://x3nqjrcg.mirror.aliyuncs.com&quot;]
}

# Docker降级为20.10
yum downgrade --setopt=obsoletes=0 -y docker-ce-20.10.24 docker-ce-selinux-20.10.24 containerd.io

# 修改Docker Cgroup Driver为systemd
vi /etc/docker/daemon.json
# 添加以下内容
{
  &quot;exec-opts&quot;: [&quot;native.cgroupdriver=systemd&quot;],
  &quot;registry-mirrors&quot;: [&quot;https://x3nqjrcg.mirror.aliyuncs.com&quot;]
}

# 重启docker服务
systemctl daemon-reload
systemctl restart docker

# 安装kubeadm、kubectl、kubelet
yum install -y kubelet-1.23.17 kubeadm-1.23.17 kubectl-1.23.17
systemctl start kubelet
systemctl enable kubelet

# 下载Kubernetes镜像
kubeadm config images list --kubernetes-version v1.23.17
kubeadm config images pull --image-repository=registry.aliyuncs.com/google_containers

# 初始化Kubernetes集群
kubeadm init \
--kubernetes-version=v1.23.17 \
--pod-network-cidr=10.244.0.0/16 \
--service-cidr=10.96.0.0/12 \
--apiserver-advertise-address=192.168.8.10 \
--image-repository=registry.aliyuncs.com/google_containers

# 配置环境变量
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

# 安装Flannel网络
wget https://github.com/flannel-io/flannel/releases/latest/download/kube-flannel.yml
kubectl apply -f kube-flannel.yml

# 将节点加入到集群
kubeadm join 192.168.8.10:6443 --token [token] --discovery-token-ca-cert-hash [hash]

# 查看集群状态
kubectl get nodes
</code></pre><h2>Debian安装</h2><h2>K8S2</h2><p><img src="https://cmd.dayi.ink/uploads/upload_c1fdb42fb798fee71613de7d2a23c3bc.png#vwid=793&vhei=312" alt="" title=""style=""></p><h2>哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈</h2><p>换CENTOS </p><p><img src="https://cmd.dayi.ink/uploads/upload_e2d3236a6f66e4343aa4203cae778314.png#vwid=1920&vhei=1150" alt="" title=""style=""></p><h2>换大牛</h2><p><img src="https://cmd.dayi.ink/uploads/upload_4f40ef939a89981e6b70a8d6abe8714e.png#vwid=1538&vhei=1009" alt="" title=""style=""></p><h2>Rencher</h2><p><img src="https://cmd.dayi.ink/uploads/upload_24643119687b65a3acbe9ea64dab57a8.png#vwid=1918&vhei=1150" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_9db75971871a496bfffec339582c76f2.png#vwid=708&vhei=174" alt="" title=""style=""></p><p>真男人直接下载：</p><p><img src="https://cmd.dayi.ink/uploads/upload_e99cd20291e675fae58175901452b49c.png#vwid=1377&vhei=708" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_90a363323e31fc6a36aa2873f756a8d6.png#vwid=1077&vhei=514" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_d35cf8cb8f9679946303b3adeb2c9d3b.png#vwid=714&vhei=407" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_082811a423ea27e4c8e0a8ab4e274973.png#vwid=1513&vhei=873" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_1cd676126b3b603539eaa6df05831003.png#vwid=738&vhei=143" alt="" title=""style=""></p><hr><p>修改主机名：</p><p><img src="https://cmd.dayi.ink/uploads/upload_a76570a7110cca0869b76d847783782d.png#vwid=935&vhei=652" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_a2fc43d67b4d16d8936e9524465ca814.png#vwid=1422&vhei=1140" alt="" title=""style=""></p><pre><code class="lang-bash">ssh-keygen -t ecdsa -b 256
ssh-copy-id node1
ssh-copy-id node2
</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_e0e2368ece240b6cab868efeebc8b0e1.png#vwid=790&vhei=577" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_6599744aee4473962bca38145ea878ce.png#vwid=1244&vhei=423" alt="" title=""style=""></p><p>复制密钥：</p><pre><code class="lang-bash">ssh-copy-id node2</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_2fc8f5dec366ca27f5a6e514e459e2fb.png#vwid=900&vhei=445" alt="" title=""style=""></p><p>复制hosts</p><pre><code class="lang-bash">scp /etc/hosts root@node1:/etc/hosts 
scp /etc/hosts root@node2:/etc/hosts 
</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_b13b70c48617c8214c1cdbb753237cdf.png#vwid=1548&vhei=195" alt="" title=""style=""></p><h2>修改内核配置</h2><p><code>/etc/sysctl.conf</code></p><p>vi:</p><pre><code class="lang-bash">echo -e 'net.bridge.bridge-nf-call-iptables = 1 \nnet.bridge.bridge-nf-call-ip6tables = 1' &gt;&gt; /etc/sysctl.conf</code></pre><p>开启模块</p><pre><code class="lang-bash">modprobe br_netfilter
ls /proc/sys/net/bridge/
echo &quot;br_netfilter&quot; &gt; /etc/modules-load.d/br_netfilter.conf
sysctl -p</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_5296d39e9397f966085b41bf07b1b979.png#vwid=893&vhei=192" alt="" title=""style=""></p><p>发送到从节点：</p><pre><code class="lang-bash">scp /etc/sysctl.conf root@node1:/etc/sysctl.conf
scp /etc/sysctl.conf root@node2:/etc/sysctl.conf

#从节点执行：
modprobe br_netfilter
ls /proc/sys/net/bridge/
echo &quot;br_netfilter&quot; &gt; /etc/modules-load.d/br_netfilter.conf
sysctl -p</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_788b9b9a3a9af55d7f44c9cca8c8f99e.png#vwid=1318&vhei=798" alt="" title=""style=""></p><h2>防火墙 SELINUX：</h2><pre><code class="lang-bash">systemctl stop firewalld
systemctl disable firewalld
systemctl status firewalld

setenforce 0
vi /etc/selinux/config
#修改： SELINUX=disabled

reboot</code></pre><p>发送到从节点</p><pre><code class="lang-bash">scp /etc/selinux/config root@node1:/etc/selinux/config
scp /etc/selinux/config root@node2:/etc/selinux/config</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_4d61d1ea945cf9e92ad3b57142d23475.png#vwid=961&vhei=531" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_3d717fddc62295e41f9fffc2a69720a7.png#vwid=852&vhei=175" alt="" title=""style=""></p><h3>查看SELINUX状态</h3><pre><code class="lang-bash">sestatus</code></pre><h2>NTP时间同步</h2><pre><code class="lang-bash">yum -y install wget ntpdate

crontab -e
*/1 * * * * /usr/sbin/ntpdate ntp1.aliyun.com

systemctl restart crond.service</code></pre><h2>添加源</h2><pre><code class="lang-bash">
vi /etc/yum.repos.d/kubernetes.repo

[kubernetes]
name=Kubernetes
baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
</code></pre><p><img src="https://cmd.dayi.ink/uploads/upload_1c2e8399f36b05fe9bd108302be8cd83.png#vwid=1557&vhei=954" alt="" title=""style=""></p><h2>安装</h2><p>yum downgrade --setopt=obsoletes=0 -y docker-ce-20.10.24 docker-ce-selinux-20.10.24 containerd.io</p><pre><code class="lang-bash">
yum install -y kubelet-1.23.17 kubeadm-1.23.17 kubectl-1.23.17
systemctl start kubelet
systemctl enable kubelet
systemctl status kubelet</code></pre><pre><code class="lang-bash">kubeadm config images list --kubernetes-version v1.23.17</code></pre><h2>初始化</h2><p>mv /etc/containerd/config.toml /root/config.toml.bak<br>systemctl restart containerd</p><p>/etc/kubernetes/manifests/kube-scheduler.yaml </p><p>rm -rf /etc/kubernetes/manifests/kube-apiserver.yaml<br>rm -rf /etc/kubernetes/manifests/kube-controller-manager.yaml <br>rm -rf /etc/kubernetes/manifests/kube-scheduler.yaml <br>rm -rf /etc/kubernetes/manifests/etcd.yaml</p><p>kubeadm init \<br>--pod-network-cidr=10.244.0.0/16 \<br>--service-cidr=10.96.0.0/12 \<br>--apiserver-advertise-address=192.168.59.137 \<br>--image-repository=registry.aliyuncs.com/google_containers<br>--v=5</p><p>rm -f /etc/kubernetes/controller-manager.conf<br>rm -f /etc/kubernetes/scheduler.conf<br>rm -f /etc/kubernetes/scheduler.conf<br>rm -f /etc/kubernetes/admin.conf<br>rm -f /etc/kubernetes/kubelet.conf</p><p>mkdir -p $HOME/.kube<br>  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config<br>  sudo chown $(id -u):$(id -g) $HOME/.kube/config</p><p><img src="https://cmd.dayi.ink/uploads/upload_7d053e4a60221a5977c6968f88d485d4.png#vwid=1299&vhei=733" alt="" title=""style=""></p><pre><code class="lang-bash">kubeadm join 192.168.59.137:6443 --token y8m7u7.3ur44mc2ezb87fmq \
        --discovery-token-ca-cert-hash sha256:cb9d1bfa0c3adaabd9a34cd072e1d27c13c9cf9e6e3ef4a0c810b84d6fdf4c9f</code></pre><p>节点:</p><p><img src="https://cmd.dayi.ink/uploads/upload_82632cfc8cfb3b7e71d88977c973c24e.png#vwid=625&vhei=174" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_5658ec2229ec0a948522f7a641fe6c8d.png#vwid=1104&vhei=364" alt="" title=""style=""></p><p>节点：</p><p><img src="https://cmd.dayi.ink/uploads/upload_55477cc1d63bf4c588825fd7298d83cc.png#vwid=1223&vhei=639" alt="" title=""style=""></p><p><img src="https://cmd.dayi.ink/uploads/upload_77954726917776bb2e82b5f6cafa6a43.png#vwid=562&vhei=153" alt="" title=""style=""></p><p>状态：</p><p><img src="https://cmd.dayi.ink/uploads/upload_6e435d93aedbaaa24323ca0600cdb4e9.png#vwid=603&vhei=222" alt="" title=""style=""></p>

云与虚拟化_14_K8S

K8S

K8S部署

先创建一个debian模板

Master节点

克隆两个本地node

Master

Other

SSH-密钥复制

安装containerd

安装K8S仓库

安装K8S

初始化集群：

虚拟化K8S安装

Debian安装

K8S2

哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈

换大牛

Rencher

修改内核配置

防火墙 SELINUX：

查看SELINUX状态

NTP时间同步

添加源

安装

初始化

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计算机网络实验作业1

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Python自动化运维作业——作业4

云与虚拟化_14_K8S

K8S

K8S部署

先创建一个debian模板

Master节点

克隆两个本地node

Master

Other

SSH-密钥复制

安装containerd

安装K8S仓库

安装K8S

初始化集群：

虚拟化K8S安装

Debian安装

K8S2

哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈

换大牛

Rencher

修改内核配置

防火墙 SELINUX：

查看SELINUX状态

NTP时间同步

添加源

安装

初始化

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云与虚拟化_14_K8S

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